Home / 6,783.26-10,170.96-2,102.02

Finding the Fourth Proportional to 6,783.26, 10,170.96 and 2,102.02

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Solution

The fourth proportional to 6,783.26, 10,170.96 and 2,102.02 is: 3,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.26 : 10,170.96 = 2,102.02 : x
  2. Step 2: Convert to fraction form
    6,783.26/10,170.96 = 2,102.02/x
  3. Step 3: Cross multiply
    6,783.26x = 10,170.96 × 2,102.02
  4. Step 4: Simplify right side
    6,783.26x = 21,379,561.34
  5. Step 5: Solve for x
    x = 21,379,561.34/6,783.26
  6. Step 6: Final answer
    x = 3,151.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.